Call a stub for the write barrier on ARM. This is a step

src/ia32/code-stubs-ia32.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 507 matching lines @@
   class DictionaryBits: public BitField<int, 0, 3> {};
   class ResultBits: public BitField<int, 3, 3> {};
   class IndexBits: public BitField<int, 6, 3> {};
   class LookupModeBits: public BitField<LookupMode, 9, 1> {};
 
   Register dictionary_;
   Register result_;
   Register index_;
   LookupMode mode_;
 };
+
+
 class RecordWriteStub: public CodeStub {
  public:
   RecordWriteStub(Register object,
                   Register value,
                   Register address,
                   RememberedSetAction remembered_set_action,
                   SaveFPRegsMode fp_mode)
       : object_(object),
         value_(value),
         address_(address),
@@ skipping 239 matching lines @@
                                  Register scratch1,
                                  bool load_elements_from_receiver,
                                  Label* key_not_smi,
                                  Label* value_not_smi,
                                  Label* not_pixel_array,
                                  Label* out_of_range);
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_CODE_STUBS_IA32_H_